| IRIS | integrated risk information system; interleukin regulation of immune system; International Research ... |
|---|---|
| OIR | Office of Information Resources; Office of International Research |
| SI | System of International Units (Systeme International D'unites) |
| BIPM | International Bureau of Weights and Measures [Fr. Bureau International des Poids et Mesures] |
| IAG | International Association of Gerontology; International Academy of Gnathology |